89results about How to "Suitable for industrial promotion and production" patented technology

The invention provides a high active core-shell structure catalyst used for low temperature fuel cell. The preparation method comprises the following steps: adopting carbon powder or carbon nanotubesas carrier, coating single-layer or two-layer platinum which is reduced by reductant, on the metal-based core to form a core-shell structure and loading the structure on carbon powder or carbon nanotubes carrier. The catalyst has low platinum loading and high catalytic activity so that platinum loading is low, the activity of the catalyst is high; the contradiction between the cost and performanceof catalyst is effectively solved, and the high active core-shell structure catalyst plays an extremely important role in solving the current problems of the fuel cell.

The invention belongs to the field of polymer synthesis, and relates to a high-temperature-resistant nylon PA66T material and a preparation method thereof. The nylon PA66T material is prepared from the following components in mole number: 11.00-12.32 moles of aromatic binary acid, 9.00-9.90 moles of hexane diacid, 19.20-21.34 moles of hexamethylenediamine, 0.035-0.05 mole of a nucleating agent, 0.015-0.03 mole of a catalyst and 250-300 mole of deionized water. The high-temperature-resistant nylon PA66T material provided by the invention has the advantages of light weight, high temperature resistance, high mechanical strength, superior size stability and the like, and is suitable to be applied in a high-temperature environment; and meanwhile, the high-temperature-resistant nylon PA66T material is simple in the synthesis process, is moderate in viscosity, and is suitable for industrial popularization and subsequent machine shaping.

The invention provides a preparation method of a starch-base biodegradation material. The starch-base biodegradation material is characterized by comprising the following raw materials in parts by weight: 70-85 parts of starch, 0.05-0.5 part of amylase, 1-11 parts of acetylating agent, 4-11 parts of plasticiser, 3-6 parts of hydrophobic modifier and 5-20 parts of biomass polymer. The preparation method comprises the following step of: (1) adding water into the starch, and adding amylase, and stirring for gelatinization; (2) adding the acetylating agent into the product in step (1), and stirring for reaction; (3) adding the plasticiser into the product in step (2), and to continuously stirring; (4) adding the hydrophobic modifier into the product in step (3), and continuously stirring to obtain starch gel; (5) adding the biomass polymer into the starch gel in the step (4), uniformly mixing, and delivering the uniform mixture into a twin-screw extruder to extrude and granulate. The invention has the advantages of simple operation, stable technology, low cost and high efficiency, and the obtained product has the advantage of good film forming property, mechanical property, water resistance property and degradation property.

The invention provides repair mortar for a concrete slab and a preparation method. The mortar is prepared from the following components: sulphate aluminium cement, quartz sand, heavy calcium powder, paste attapulgite, kaolin, polyacrylamide, polyvinyl alcohol, graphene, lignosulfonate, glass fiber, a defoaming agent and an early strength agent. The preparation method comprises the steps of firstly performing modification reaction on the polyacrylamide, the polyvinyl alcohol and the graphene, and then uniformly mixing a reaction product with the rest components in batches, thus obtaining the mortar. When the repair mortar provided by the invention is applied to the field of buildings, better compatibility to building concrete is realized, and mechanical properties of higher bonding strength and the like are also realized; furthermore, the repair mortar has the characteristics of construction easiness and good effect, and has better application value.

The invention discloses an anti-crack and anti-falling coating and a preparation method, which belong to the technical field of coatings. The coating is prepared from the following components: modified polyurethane, modified epoxide resin, glass fiber, aluminum oxide, sodium stearate, paste attapulgite clay, putty cream, kieselguhr, a defoaming agent, a filling agent, pigment, and appropriate amount of water. The preparation method comprises the steps of weighing the modified polyurethane and the modified epoxide resin, adding into a reaction kettle, adding appropriate amount of water, and carrying out mixed reaction to obtain a mixture a1; adding the paste attapulgite clay, uniformly stirring, putting in an ultraphonic condition, and obtaining a mixture a2; adding the putty cream, the kieselguhr, the defoaming agent and the filling agent, stirring, shearing, adding a pigment, and uniformly mixing to obtain the coating. The coating provided by the invention not only has a better waterproof and anticorrosion effect, but also has a better anti-crack and anti-falling performance. In addition, the preparation method is simple and practicable, and has a better application value.

The invention discloses indoor putty capable of purifying the air and a preparation method thereof. The indoor putty comprises the following components: white cement, microporous calcium carbonate, talcum powder, bamboo charcoal powder, ultrafine limestone, heavy calcium carbonate powder, modified attapulgite clay, activated carbon, diatomite, nano titanium dioxide, zeolite powder, hydroxypropyl methyl cellulose, glass fiber, white carbon black and a defoaming agent. the preparation method comprises the following steps: mixing the white cement, talcum powder, heavy calcium carbonate powder, diatomite, nano titanium dioxide, zeolite powder and white carbon black, and carrying out ball milling for 1-2 hours; adding water, mixing, then adding other components, uniformly mixing, and then carrying out shearing dispersion for 20-30 minutes, so that the indoor putty is obtained. The indoor putty disclosed by the invention has better adhesion and also has better air purifying effect, and the putty is safe and pollution-free, belongs to green coating and has better use value.

The invention provides a halogen-free flame-retardant high impact polystyrene composite material prepared by taking vermiculite as a flame-retardant additive. The composite material is prepared by the following steps: mixing vermiculite powder crushed to 100 to 500 meshes and a halogen-free flame retardant according to the mass ratio of 1:1-1:10 to form a vermiculite composite flame retardant; and then banburying and injecting the vermiculite composite flame retardant and high impact polystyrene according to the mass ratio of 1:1-1:5. The halogen-free flame retardant is a compound of red phosphorus, expanded graphite and melamine. The flame-retardant composite material has low price, simple preparation process, better flame-retardant performance, and oxygen index of more than 27, and meets the requirements of a nonflammable material.

The invention discloses a high-temperature-resistant nylon PA66T material prepared by the following components by the mole number: 10.00-13.20 mol of a nylon 6T salt, 8.00-11.00 mol of a polymer PA66, 0.50-1.50 mol of an end sealing agent, 0.035-0.050 mol of a nucleating agent, 0.015-0.030 mol of a catalyst, and 200-275 mol of a solvent. The invention also discloses a preparation method for the high-temperature-resistant nylon PA66T material. The material has the advantages of light weight, high-temperature resistance, high mechanical strength, good dimensional stability and the like.

The invention provides anti-cracking waterproof coating and a preparation method thereof; the anti-cracking waterproof coating comprises silicone-acrylic emulsion, acrylic resin, ethylene-vinyl acetate copolymer, epoxy resin, graphene, glass fiber, methyl cellulose, glass beads, high-viscosity attapulgite clay, glyceryl stearate, a filling agent, and a defoaming agent. The preparation method comprises: subjecting acrylic resin and ethylene-vinyl acetate copolymer to modifying reaction with graphene, adding the remaining components batch by batch, and mixing well to obtain the anti-cracking waterproof coating. The anti-cracking waterproof coating is applicable to the building field, has good waterproof effect and good anti-cracking and anti-peeling effects, provides greatly improved application safety for a building and extended life for the building, and has good applicable value.

The invention discloses a corrosion-resistant waterproof coating for environmental protection equipment and a preparation method of the corrosion-resistant waterproof coating. The coating is prepared from the components as follows: epoxy resin, polyvinyl alcohol, polyether polysiloxane copolymer, silane coupling agent, graphene, boron nitride, ultrafine mica powder, glass fibers, aluminium oxide, nano titanium dioxide, paste attapulgite, filler and anti-foaming agent. The preparation method comprises the following steps: firstly, carrying out reaction among the epoxy resin, the polyvinyl alcohol, the polyether polysiloxane copolymer and the graphene; then adding the boron nitride, the aluminium oxide, the nano titanium dioxide and the ultrafine mica powder which are ground; adding the silane coupling agent again to carry out reaction; mixing with the paste attapulgite, the filler, the glass fiber and the anti-foaming agent after the reaction is completed so as to obtain the coating; then spraying the coating on a surface of the environmental protection equipment. The coating has a preferable waterproof effect and also has preferable corrosion resistance performance and abrasion resistance performance; moreover, the service life of the equipment is prolonged, and the using cost of the equipment is reduced.

The invention discloses a wear-resisting antiskid plastic track and a preparation method. The wear-resisting antiskid plastic track sequentially comprises an antiskid wear-resisting layer, a toughness reinforcing layer, a substrate layer and a cement powder stable layer from top to bottom, wherein a figure structure is arranged on the upper surface of the antiskid wear-resisting layer, and the antiskid wear-resisting layer and the toughness reinforcing layer are connected through an adhesive. The preparation method comprises the steps: firstly preparing the antiskid wear-resisting layer, the toughness reinforcing layer and the adhesive respectively; then laying the cement powder stable layer on a soil base layer, laying a self-adhesion SBS modified asphalt layer on the cement powder stable layer, then laying the toughness reinforcing layer on the surface of the asphalt layer, then coating the adhesive on the upper surface of the toughness reinforcing layer and adhering the antiskid wear-resisting layer to obtain the wear-resisting antiskid plastic track. The plastic track not only has better antiskid and wear-resisting performance, but also has better adhering firmness among all the layers; furthermore, the plastic track cannot release toxic gas, is safe and free of pollution and has better practical value.

The invention discloses high-elastic glue for an inflatable solid tire and a preparation method thereof. The high-elastic glue is prepared from natural rubber, chloroprene rubber, ethylene-vinyl acetate copolymer, zinc oxide, stearic acid, sulphur, accelerant, gum easy T-78, tackifier, anti-aging agent, and filling agent. The preparation method includes steps of firstly, smelting the natural rubber, the chloroprene rubber, ethylene-vinyl acetate copolymer, and zinc oxide, and acquiring first section glue; then adding stearic acid, sulphur, and accelerant and smelting for 1-2 min; adding gum easy T-78, tackifier, anti-aging agent, and filling agent, and continuing to smelt for 3-4 min; discharging glue, and acquiring the high-elastic glue. The high-elastic glue is applied to a middle layer of the inflatable solid tire, thus the tire has good damping and buffering performances, and also has a certain anti-fatigue performance; thus the service life and the use safety of the solid tire are greatly prolonged; the high-elastic glue has good application value.

The invention provides a simple production method of high-content galactooligosaccharides, comprising following steps: lactose dissolution, enzymatic reaction, decoloring by enzyme deactivation, desalination by nano-filtration, ion exchange, concentration, and preparation of high-purity galactooligosaccharide syrup. By the adoption of the method in producing high-purity galactooligosaccharide syrup, reaction system sugar concentration can be improved, lactose crystal is avoided occurring in the production process, and the component of galactooligosaccharides may reach higher than 57%; the component of galactooligosaccharides produced according to the method meets the requirements of related national standards, and industrial production is facilitated.

The invention discloses a preparation method of a high-elasticity solid tyre material. The high-elasticity solid tyre material is prepared from the following raw materials in parts by weight: 40 to 65parts of natural rubber, 12 to 20 parts of chloroprene rubber, 10 to 12 parts of stearic acid, 8 to 12 parts of aromatic hydrocarbon oil, 2.5 to 4.5 parts of graphene, 12 to 18 parts of carbon black,0.6 to 2.2 parts of gum easy T-78, 10 to 12 parts of tackifier, 5 to 8 parts of carbon nanotube, 2 to 6 parts of silane coupling agent, 4 to 8 parts of antiager, 12 to 18 parts of filler, 6 to 10 parts of accelerant and 4 to 8 parts of vulcanizer. According to the preparation method disclosed by the invention, the tyre has the advantages of better damping and cushioning performance, certain fatigue resistance, capability of greatly prolonging the service life and improving the utilization safety of the solid tire and better application value.

The invention relates to a method for extracting carnosic acid from Rosmarinus officinalis. The method comprises: taking dried Rosmarinus officinalis leaves, and crushing into Rosmarinus officinalis leaf powder; adding an ethanol solution with a concentration of 75-85% to the Rosmarinus officinalis leaf powder, carrying out reflux extraction to obtain an extraction liquid, carrying out pressure reducing concentration on the extraction liquid until achieving a dry state, adding water, dissolving, carrying out centrifugation, and drying to obtain a first crude product; adding an ethanol solutionwith a concentration of 70-80% and a pH value of 3-4 to the first crude product, carrying out stirring dissolving, carrying out standing extraction, carrying out decolorizing and impurity removing onthe extraction liquid, and carrying out pressure reducing concentration until achieving a dry state to obtain a second crude product; adding a mixed organic solvent into the second crude product, carrying out stirring extraction, concentrating the extraction liquid, carrying out cooling standing to precipitate a crystal, and drying the crystal to obtain a first product; and re-crystallizing the first product to obtain a second product. According to the present invention, with the method, the processing degree of the process can be flexibly adjusted so as to obtain the products with differentpurities, carnosic acid can be effectively prevented from being damaged during the processing, and the process has characteristics of good repeatability, high ethanol recovery rate and low overall production cost, and is suitable for industrialized popularized production.

The invention discloses a heatproof and anticorrosive coating for a power distribution cabinet shell, a preparation method thereof, and the power distribution cabinet shell. The coating comprises organosilicon epoxy resin polymer, polyurethane resin, novolac epoxy resin, nanometer cerium oxide, graphene, calcined kaolin, modified zeolite powder, rutile titanium dioxide, expanded perlite, an ethylene-tetrafluoroethylene copolymer, nanometer titanium dioxide, mica powder, glass beads, ammonium triphosphate, a leveling agent and a solvent. The coating has an extremely high thermal stability, extremely high corrosion resistance and strong surface adhesion, and is applied to the surface of the power distribution cabinet shell in order to greatly improve the heat and corrosion resistance of thepower distribution cabinet shell and improve the use safety of a power distribution cabinet.

The invention discloses a corrosion-resistant coating for construction machinery and a preparation method thereof. The coating comprises the following raw materials in parts by weight: 50-60 parts oforganosilicon epoxy resin polymer, 10-20 parts of fluorocarbon resin, 5-10 parts of polysiloxane, 3-7 parts of modified talcum powder, 3-5 parts of carboxylated butadiene-acrylonitrile rubber, 2.5-5.5parts of calcined metakaolin, 1-3 parts of mica powder, 2-4 parts of glass fibers, 3-6 parts of nanometer silicon micropowder, 1.5-3.5 parts of nanometer calcium carbonate, 1-3 parts of a heat-resistant agent, 2-5 parts of a preservative, 0.5-0.8 part of a dispersant, 0.3-0.7 part of a film-forming auxiliary and 43-47 parts of a solvent. The coating has high strength, strong impact resistance, good weather resistance and excellent corrosion resistance, and the coating is capable of playing a good protective role for construction machinery.

The invention provides waterproofing slurry for building roofs and a preparation method thereof. The slurry comprises the following components: styrene-acrylic emulsion, modified organic silicon resin, epoxy resin, pentaerythritol triacrylate, chlorinated paraffin, kaolin, ground calcium carbonate, vermiculite power, graphene, attapulgite, barium sulfate, mica powder, a defoaming agent and a filler. The preparation method comprises: performing a modification reaction on the styrene-acrylic emulsion, the epoxy resin and the graphene first, and then mixing a product obtained after the reaction with the remaining components uniformly to obtain the slurry. The slurry provided by the invention is applied to roof construction, not only can improve waterproof and anti-crack properties of roofs but also has certain characteristics of corrosion resistance and aging resistance, and has a good application value.

The invention discloses a waterproof anti-flaming photovoltaic coiled material. The photovoltaic coiled material sequentially comprises a transparent waterproof layer, a flexible photovoltaic module layer and a waterproof coiled material layer from top to bottom, and all layers are connected through grapheme modified epoxy adhesives. The transparent waterproof layer is a modified PE permeable film; the flexible photovoltaic module layer comprises a flexible thin film photovoltaic module, an ethylene-tetrafluoroethylene copolymer film layer and a graphene-silicone-modified polyacrylamide coating layer; and the waterproof coiled material layer sequentially comprises a reflecting film, a waterproof anti-flaming layer, a glass fiber mat layer and a self-adhered SBS modified asphalt layer fromtop to bottom, and the surface of the modified asphalt layer is provided with a PE protection layer. The waterproof anti-flaming photovoltaic coiled material is good in waterproof and anti-flaming performance, can fully realize the role of photovoltaic power generation, the production cost of the coiled material is low, the use is convenient, and the coiled material is suitable for popularizationand application.

The invention discloses a coating for a reflective lampshade and a preparation method. The coating is prepared from the following components: graphene modified polyacrylic resin, epoxy resin, nanosilicon dioxide, aluminum hydroxide, magnesium oxide, titanium dioxide, a defoaming agent, a filler, a modifier, and appropriate amount of water. The preparation method comprises the steps of mixing and modifying the graphene modified polyacrylic resin and the epoxy resin; adding the nanosilicon dioxide, titanium dioxide, the modifier, the defoaming agent and the appropriate amount of water for mixing and reacting; grinding to the particle size being under not larger than 20um; adding the aluminum hydroxide, the magnesium oxide and the filler, mixing and shearing to obtain the coating for the reflective lampshade. The coating for the reflective lampshade provided by the invention not only has better high temperature resistance and corrosion resistance, but also has better light reflection and concentration functions, can effectively utilizes a light source so as to reduce the waste of the light source, and has a better energy-saving effect and a better application value.

The invention discloses a non-slip wear-resistant floor coating and a preparation method, and belongs to the technical field of decorative coatings. The coating comprises modified polyacrylic resin, silicone acrylic emulsion, titanium dioxide, lime powder, paste attapulgite clay, alumina, filler, defoamer and pigment. The preparation method includes the following steps: firstly adding the modified polyacrylic resin and water to a reaction kettle, adding the paste attapulgite clay, the alumina and the titanium dioxide after heating and stirring, mixing and reacting for 1-2h, then adding the silicone acrylic emulsion for ultrasonic treatment for 20-30min, adding the lime powder, filler and defoamer with stirring and shearing for 5-10min, and adding the pigment into the mixture prior to mixing evenly to obtain the coating. The coating has good non-slip performance, greatly improves use safety for users, and has good wear resistance, good coating adhesiveness and high use value.

The invention relates to a preparation method of cross-linked Na-CMC (sodium carboxymethylcellulose) with ultra-high viscosity, mainly comprising alkali reaction, pre-reaction and etherification reaction, wherein the pre-reaction comprises initial etherification reaction and crosslinking reaction, and the initial etherification reaction and the crosslinking reaction can be carried out simultaneously, which is good for the generation of the cross-linked Na-CMC with uniform etherification reaction substitution, high molecular weight and ultra-high viscosity. The viscosity of 1% Na-CMC water solution, which is measured by a Brookfield viscometer under the degree of substitution of 0.9, is 10,000cps and improves by 40-50% compared with the viscosity of the existing Na-CMC. The preparation method has the advantages that no additional reaction products are generated, no complex reaction conditions are required, the process is simple, and the reaction condition is mild. The preparation method is convenient to operate and is suitable for industrial promotion and production.

The invention provides a high-temperature refractory brick and a production method thereof. The refractory brick comprises the following components: magnesite, quartz powder, high bauxitic clay clinker, high viscosity attapulgite clay, calcium silicate cement, alumina, diatomite, glass waste residue, and polyisocyanurate foam plastic. The preparation method comprises the following steps: crushingthe components, mixing the components according to a sequence, and performing steps of moulding, drying and sintering to obtain the high-temperature refractory brick. The high-temperature refractory brick has good heat stability, mechanical strength and wear resistance, good shock resistance, and good application prospect, and greatly prolongs the usage life of the refractory brick.

The invention discloses a sound-absorbing and heat-insulating building decoration material and a preparation method. The material is prepared from the following raw materials: waste paper pulp, wood sawdust, high-viscosity attapulgite clay, an adhesive, vegetable fibers, a flame retardant, light calcium carbonate and quartz powder. The preparation method comprises the steps of mixing and uniformly stirring all the ingredients separately and thoroughly so as to obtain a size mixture, then, putting the size mixture in a die, then, putting the die in a plate vulcanizing machine, carrying out hot-press forming, and then, carrying out polishing treatment on a formed product, thereby preparing the sound-absorbing and heat-insulating building decoration material. The decorating material not only has relatively good sound-absorbing and heat-insulating effects, but also has certain flame retardance; the preparation method is easy and feasible and is applicable to industrial production application.

The invention discloses a waterproof and breathable film and a preparation method thereof. The waterproof and breathable film is provided with a waterproof and wear-resisting layer, a breathable layer, a base material layer and a tough waterproof layer in sequence from top to bottom. The preparation method comprises the following steps: firstly, preparing graphene modified polyurethane paint; then preparing a graphene-SBS (styrene-butadiene-styrene) modified asphalt layer; then expanding the base material layer and coating the upper surface of the base material layer with one layer of adhesive; sticking the breathable layer and coating the upper surface of the breathable layer with one layer of graphene modified polyurethane coating; coating the lower surface of the base material layer with one layer of adhesive and sticking the graphene-SBS modified asphalt layer on the lower surface of the adhesive so as to obtain the waterproof and breathable film. The breathable film disclosed by the invention not only has a relatively good waterproof property, but also has a relatively good breathable property; when the breathable film is applied to clothes, the comfort is increased and a relatively good waterproof effect can be realized.

The invention discloses an antistatic wear-resistant solid tire core and preparation method thereof. The tire core comprises the following components: nitrile rubber, styrene butadiene rubber, natural rubber, acrylic resin, a silane coupling agent, graphene, white carbon black, carbon black, glass fiber, bamboo charcoal fiber, nano silica, activated zinc oxide, an antioxidant, a promoter, a vulcanizing agent and filler. The preparation method comprises the following steps: mixing a rubber raw material in an internal mixer, then adding residual components by batches for mixing, discharging rubber after mixing, dumping the material in a forming die for molding to obtain the molded tire; polishing the tire under normal temperature, and removing foreign matter to obtain the product. The tire core has good wear resistant performance, greatly increases the tire service life, has good antistatic effect, and provides guarantee for safety usage of the automobile.

The invention discloses an interior decoration coating for removing formaldehyde, and a preparation method thereof. The coating comprises aqueous polyurethane, aqueous epoxy resin, graphene oxide, nano-silica, alumina, diatomite, active carbon, a formaldehyde oxidation catalyst, a stabilizer and an antifoaming agent. The preparation method comprises the following steps: carrying out a modifying reaction on the aqueous polyurethane, aqueous epoxy resin and graphene oxide; adding the diatomite, active carbon and the antifoaming agent, uniformly mixing and stirring above substances, adding the nano-silica and alumina, and carrying out shear dispersing for 10-20 min; and adding the formaldehyde oxidation catalyst and the stabilizer, and carrying out ultrasonic dispersing for 10-20 min to obtain the decoration coating. The coating has the advantages of good coating effect, excellent waterproof property, excellent scratch resistance and good formaldehyde removal performance, can be applied to interior decoration to provide a clean and safe living environment for people, and has good application values.

The invention provides an indoor bonsai soil cultivation additive and a preparation method. The additive comprises folium artemisiae argyi, mint, herba agastache, clove, pyrethrum, litsea cubeba, cortex cinnamomi, orange peel, shale diatom ooze and high-viscosity attapulgite. The preparation method includes: subjecting traditional Chinese medicine ingredients to crushing and extracting to obtain extract; well mixing and dispersing the extract and high-viscosity attapulgite; well mixing and stirring with extracted medicine residue and the shale diatom ooze. The additive can prevent breeding of pests like ants, worms and flies and mold when being applied in bonsai soil, provides a guarantee to healthy growing of bonsai, can effectively avoid foul odor emitted by the bonsai soil, plays a good role in purifying air and has high application value.